package com.system.controller;

import com.system.po.Userlogin;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

/**
 * Created by Jacey on 2017/6/30.
 */
@Controller
public class LoginController {

    //登入跳轉
    @RequestMapping(value = "/login", method = {RequestMethod.GET})
    public String loginUI() throws Exception {
        return "../../login";
    }

    //登入表單處理
    @RequestMapping(value = "/login", method = {RequestMethod.POST})
    public String login(Userlogin userlogin) throws Exception {

        //Shiro實現登入
        UsernamePasswordToken token = new UsernamePasswordToken(userlogin.getUsername(),
                userlogin.getPassword());
        Subject subject = SecurityUtils.getSubject();

        //如果獲取不到使用者名稱就是登入失敗，但登入失敗的話，會直接丟擲異常
        subject.login(token);

        if (subject.hasRole("admin")) {
            return "redirect:/admin/showStudent";
        } else if (subject.hasRole("teacher")) {
            return "redirect:/teacher/showCourse";
        } else if (subject.hasRole("student")) {
            return "redirect:/student/showCourse";
        }

        return "/login";
    }

}
 

登入方面控制器

根據不同的角色顯示不同的頁面